Blender base



FIG. 1 is a front perspective view of a blender base showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a rear view thereof.

The broken line showing of portions of the blender base and the entire blender jar is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a blender base, as shown and described. 